public boolean isMoveDoable(ScoreDirector scoreDirector) {
Object leftValue = variableDescriptor.getValue(leftEntity);
Object rightEntity = inverseVariableSupply.getInverseSingleton(rightValue);
if (ObjectUtils.equals(leftValue, rightValue)
|| ObjectUtils.equals(leftEntity, rightValue)
|| ObjectUtils.equals(rightEntity, leftValue)) {
return false;
}
if (rightEntity == null) {
Object leftAnchor = anchorVariableSupply.getAnchor(leftEntity);
Object rightAnchor = determineRightAnchor();
// TODO Currently unsupported because we fail to create a valid undoMove... even though doMove
// supports it
if (leftAnchor == rightAnchor) {
return false;
}
}
if (!variableDescriptor.isValueRangeEntityIndependent()) {
ValueRangeDescriptor valueRangeDescriptor = variableDescriptor.getValueRangeDescriptor();
Solution workingSolution = scoreDirector.getWorkingSolution();
if (rightEntity != null) {
ValueRange rightValueRange =
valueRangeDescriptor.extractValueRange(workingSolution, rightEntity);
if (!rightValueRange.contains(leftValue)) {
return false;
}
}
ValueRange leftValueRange =
valueRangeDescriptor.extractValueRange(workingSolution, leftEntity);
if (!leftValueRange.contains(rightValue)) {
return false;
}
}
return true;
}
public Iterator<?> iterator(Object entity) {
if (cachedPlanningValues != null) {
return cachedPlanningValues.iterator();
} else {
CountableValueRange<?> valueRange =
(CountableValueRange<?>)
valueRangeDescriptor.extractValueRange(scoreDirector.getWorkingSolution(), entity);
List<?> values = Lists.newArrayList(valueRange.createOriginalIterator());
return values.iterator();
}
}
private void initSelectedPlanningValueList(AbstractSolverPhaseScope phaseScope) {
if (valueRangeDescriptor.isEntityIndependent()) {
CountableValueRange<?> valueRange =
(CountableValueRange<?>)
((EntityIndependentValueRangeDescriptor) valueRangeDescriptor)
.extractValueRange(phaseScope.getWorkingSolution());
cachedPlanningValues = Lists.newArrayList(valueRange.createOriginalIterator());
} else {
cachedPlanningValues = null;
}
}